NVIDIA Releases Cosmos3-H-Dreams Real-Time Surgical World Model

NVIDIA released Cosmos3-H-Dreams on October 20, 2026, a real-time, action-conditioned generative world model for robotic surgery fine-tuned on clinical cholecystectomy recordings from the CMR Surgical Versius system. The model checkpoint and companion code were published the same day. In an NVIDIA-authored announcement on Hugging Face, the company said that, to its knowledge, Cosmos3-H-Dreams is the first real-time generative surgical simulator trained on clinical cholecystectomy recordings to...